The given formulae themselves are explicit. Explicit means direct i.e., the ones having a clear expression of one variable in terms of several others which is the case here, as an is expressed as a direct function of n and several lower order terms. By direct or clear we mean that expression which represents, the variable (on the LHS of the equation) that is expressed, as a function of other variables does not involve the expressed variable (in the RHS of the equation). Solution The given formulae themselves are explicit. Explicit means direct i.e., the ones having a clear expression of one variable in terms of several others which is the case here, as an is expressed as a direct function of n and several lower order terms. By direct or clear we mean that expression which represents, the variable (on the LHS of the equation) that is expressed, as a function of other variables does not involve the expressed variable (in the RHS of the equation)..

1. The given formulae themselves are explicit. Explicit means direct i.e., the ones having a clear
expression of one variable in terms of several others which is the case here, as an is expressed as
a direct function of n and several lower order terms. By direct or clear we mean that expression
which represents, the variable (on the LHS of the equation) that is expressed, as a function of
other variables does not involve the expressed variable (in the RHS of the equation).
Solution
The given formulae themselves are explicit. Explicit means direct i.e., the ones having a clear
expression of one variable in terms of several others which is the case here, as an is expressed as
a direct function of n and several lower order terms. By direct or clear we mean that expression
which represents, the variable (on the LHS of the equation) that is expressed, as a function of
other variables does not involve the expressed variable (in the RHS of the equation).